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Analysis

  • max time kernel
    188s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 20:32

General

  • Target

    5abc465731bec2dee0abfbd78317b923af474de49936643d4921dbb01042950f.exe

  • Size

    140KB

  • MD5

    3b4005a9f52be94b6b7fbd9a31a2b8b7

  • SHA1

    0a698ee6f7953931c2b82c59c62fe7b73ca3a015

  • SHA256

    5abc465731bec2dee0abfbd78317b923af474de49936643d4921dbb01042950f

  • SHA512

    8d84ddc2859f5e3e8b73d54541211c2db2f238ddee7194938b0d39c991fd8ae6d624243483756914094b757e14ccc55a2eacd3fe2c7d53c63bc7200f2e1dad92

  • SSDEEP

    3072:qlfyfGL02W2N0fAU9x5Ea3hg6E5j4oQ2J:A2GL012efAU9x5BxIdp

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5abc465731bec2dee0abfbd78317b923af474de49936643d4921dbb01042950f.exe
    "C:\Users\Admin\AppData\Local\Temp\5abc465731bec2dee0abfbd78317b923af474de49936643d4921dbb01042950f.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\puejau.exe
      "C:\Users\Admin\puejau.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\puejau.exe

    Filesize

    140KB

    MD5

    bf941d615e5838104591d4b3552089f8

    SHA1

    9eeab6db0adf35a600926a82c0f5bb4ccdeb630d

    SHA256

    fb52d18459035810940302341e532e3a231e28ca65532960a78f0a20680f4826

    SHA512

    d41426ec68e317883b2b4d61865703f6f403381a343d0fe0f0e1eac184ed5ee5a34506d4047bb067e78b5a8088fc5e590e38e74aeb038675d05bab07f2b0db63

  • memory/2184-0-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2184-6-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2356-35-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2356-38-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB